What is An Atom? - Definition & Examples

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What is an atom?

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1. Which of the following is NOT contained somewhere inside an atom?

2. Fill in the blank: The atom is mostly ____________.

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About This Quiz & Worksheet

Use this printable quiz and worksheet combo at any time to test your knowledge of atoms, their characteristics, and their various types.

Quiz & Worksheet Goals

Topics covered within this quiz include:

  • Contents of an atom
  • An electron's charge
  • Atom variations

Skills Practiced

Use this quiz and worksheet to assess the following skills:

  • Information recall - remember what you have read about atoms to identify the various types
  • Defining key concepts - use the material you've read to determine the definition of an atom
  • Knowledge application - learn the characteristics of an atom and then answer a question about its composition

Additional Learning

To learn more about atoms and the contents within them, explore the tutorial entitled What is An Atom? - Definition & Examples. This lesson will explore:

  • Quarks
  • Elementary particles
  • An atom's nucleus
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